<template>
  <h1>循环指令</h1>
  <ul>
    <li v-for="item in 5">{{item}}</li>
  </ul>
  <ul v-for="item in 3">
    <li>a</li>
    <li>b</li>
    <li>c</li>
  </ul>
  <ul>
    <li v-for="n in arr">{{n}}</li>
  </ul>
  <table border="1">
    <tr>
      <th>商品序号</th>
      <th>商品名称</th>
      <th>商品价格</th>
      <th>商品库存</th>
      <th>操作</th>
    </tr>
    <tr  v-for="(item,index) in productArr">
      <td>{{index+1}}</td>
      <td>{{item.title}}</td>
      <td>{{item.price}}</td>
      <td>{{item.num}}</td>
      <td><button @click="del(index)">删除</button></td>
    </tr>
  </table>
</template>

<script setup>
import {ref} from "vue";

  const arr=ref(['张三','李四','王五']);
  const productArr=ref([
      {title:'小米手机',price:5999,num:100},
      {title:'华为手机',price:6999,num:100},
      {title:'苹果手机',price:8999,num:100},
      {title:'OPPO手机',price:3999,num:100},
  ]);
  const del=(index)=>{
    if(confirm('您确定要删除吗?')){
      productArr.value.splice(index,1);
    }
  }
</script>

<style scoped>

</style>